Jim Brosnan vs. Charlie Kerfeld — Career Comparison

Looking at the career totals, Jim Brosnan and Charlie Kerfeld are fairly close on the surface numbers. Jim Brosnan posted stronger numbers in ERA (3.54 vs 4.2) and WHIP (1.379 vs 1.572). Charlie Kerfeld had the advantage in home runs allowed (0.54 per nine innings vs 0.87). By the career numbers, Jim Brosnan had the better of this comparison — though ERA and WHIP alone don't account for era, park factors, or the defenses each pitcher worked behind.